<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=0">
        <title>小米-手机版</title>
    </head>
    <body style="margin:0;background: #efefef;">
        <div id="app"></div>
    </body>
</html>
<style>
  html, body {
    width: 100%;
    height: 100%;
  }
</style>
